Molecules
This is the main greenhouse gas responsible for climate change.
What is Carbon Dioxide?
Rocks, soil, and water are all _____ factors of an ecosystem.
What is abiotic?
This type of relationship involves two species that live closely together and help each other survive more successfully:
What is mutualism?
The Earth receives the most intense solar radiation here, at 0 degrees latitude:
What is the equator?
US states such as Arizona, New Mexico, and Nevada exist in this biome:
What is the desert?
The Earth's atmosphere is primarily composed of this gas:
What is Nitrogen?
This is the average amount of energy passed on from one trophic level to another in a food chain:
Populations that grow logistically will reach this point in their population growth, where the size of the population remains stable over time.
What is carrying capacity?
Temperature and ____ are the primary factors that cause ocean water to undergo thermohaline circulation:
What is salt content/salinity?
This biome is found away from the equator, is dominated by various grasses, and has good soil for farming:
What is the temperate grassland?
Plants produce this through photosynthesis:
What is secondary?
These types of factors affect the growth of a population depending on its size:
What are density-dependent limiting factors?
Carbon dioxide naturally fluctuates from season to season because of this:
This biome is one of the largest by land area and is dominated by coniferous trees that can withstand heavy snowfall.
What is the taiga/boreal forest?
These chemicals are responsible for ozone depletion:
What are CFCs?
These organisms are typically the pioneer species during Primary Succession due to their very limited nutritional requirements:
This process describes individuals leaving a population (other than death).
What is emigration?
Mountains can physically block weather patterns, causing very different ecosystems to exist on one side of the mountain range versus the other, leading to this phenomena:
What is the rainshadow effect?
This biome's name means "treeless" and the majority of the ground consists of permanently frozen soil known as permafrost.
What are nitrates?
This group of plants are known to harbor nitrogen-fixing bacteria which allow the nitrogen cycle to exist.
What are legumes?
This term applies to any animal that helps to control the population size of others; although their own population size is relatively small.
What is a keystone species?
This international treaty tried to set goals for carbon emissions in an effort to combat climate change, but was never signed by the US:
What is the Kyoto Protocol?
This biome is found in the Pacific Northwest and is the smallest by land area.
What is the temperate rainforest?